Michigan Residential Code Flashcards
A building inspector has been notified of a life threatening condition on a job site. When may the building inspector review the job site?
anytime.
As a licensed builder, you are applying for a permit to construct a new house. Which of the following is required to be submitted?
Description of the work to be done.
Once a permit is issued you have _________ days to begin work or the permit is void.
180 days
Once work begins and for some reason work stops, you must start work again within ______ days or the permit is void.
180 days
By code the first inspection on a new home construction site would be
Foundation
What inspection is called for after all work is completed?
Final.
A Certificate of Occupancy is issued at the completion of a building project by the local building department. What purpose does a “C of O” serve?
Show that the work was done according to code and the house may be occupied.
Basic wind speeds for 50 year mean recurrence interval for Michigan is
115 mph
Ground snow loads for Michigan range from ______ in the southeast corner to _____ at the northern tip.
20 to 100 pounds per square foot
Indicate the uniformly distributed live load for exterior balconies
40 pounds
Indicate the uniformly distributed live load for decks attached to exterior walls
40 pounds
Indicate the uniformly distributed live load for attics without storage
10 pounds
Indicate the uniformly distributed live load for uninhabitable attics with storage
20 pounds
Indicate the uniformly distributed live load for sleeping rooms
30 pounds
Indicate the uniformly distributed live load for rooms other than sleeping rooms
40 pounds
The minimum requirement for a door leading from the attached garage into the dwelling unit is
1 3/8” solid core
If a steel door is used for leading from the attached garage into the dwelling unit, the minimum fire rating would
20 minutes
An attached garage shall be separated from the dwelling unit by a minimum of _______ drywall applied to the garage wall side.
1/2 inch gypsum
An attached garage shall be separated from the living space above by a minimum of _______ drywall applied to the garage ceiling side.
5/8 inch gypsum
In reference to fire blocking, the maximum horizontal distance is ________ feet.
10 feet
According to code, fireblocking is required
Ceiling level
Draft stops shall be installed so that the area of any concealed space does not exceed
1,000 sqft
Combustible insulation shall be separated a minimum of ________ inches from heat producing devices.
3 inches
All habitable rooms shall be provided with aggregate glazing area of not less than ______ of the floor area.
8%
The minimum openable area to the outdoors shall be ______ of the floor area being ventilated.
4%
Every living room shall have not less than _________ of gross floor area.
70 sqft
A bedroom shall have a floor area of not less than _________ square feet.
70 sqft
Every family room shall have not less than __________ square feet of gross floor area.
70 sqft
A living room , bedroom, or family room, shall not be less than ___________ in any horizontal direction.
7 ft
Habitable rooms, hallways and basements shall have a ceiling height not less than _______.
7 ft
A builder is installing replacement windows that do NOT contain safety glazing. If the bottom edge is less than 10 inches above the floor, what is the maximum permissible size of a single pain in these replacement windows according to code limits?
Not permitted
The net clear opening of a grade floor bedroom emergency escape window can be no less than ______.
5 feet
If the bedroom emergency escape window was located on the second story, the clear net opening required is
5.7 feet
A bedroom emergency escape window shall have a clear net opening width of
20 inches
A bedroom emergency escape window shall have a sill height no greater than ______ inches.
44 inches
Window wells with a vertical depth greater than ______ inches are required to have a ladder or steps.
44 inches
An emergency escape window well shall provide a minimum net clear area of
9 sqft
An emergency escape window well shall have a minimum horizontal projection and width of
36 inches
The required exit door shall not be less than _______ width and _______ in height.
36 inches, 6 feet 8 inches
The minimum width of a hallway shall be not less than
36 inches
The required stairway shall not be less than _______ inches in clear width
36 inches
The minimum head room in all parts of the stairway shall not be less than _____ measured vertically from the sloped plane adjoining the tread nosing.
6 feet 8 inches
The maximum riser height shall be ______ inches and the minimum tread shall be ______ inches.
8 1/4 inches , 9 inches
If stairway nosing is required, then the minimum depth is ______ inches and the maximum depth is ______ inches.
3/4 inch, 1 1/4 inch
A stairway with four or more risers would require a handrail height of _______ inches minimum up to a maximum height of ______ inches.
34 inches, 38 inches
The handgrip portion of a handrail shall have a circular cross section of _______ inches minimum to ______ inches maximum.
1 1/4 inches, 2 inches
According to code, what is the minimum height permitted for finished guardrails (NOT used as handrails) in residential one- and two-family dwellings?
36 inches.
Guard rails located on decks or balconies located 30 inches or more above floors or grade shall have guards not less than______ inches in height.
36 inches.
The opening limitation between guard rail balusters shall not allow a ______ sphere to pass through.
4 inch
You are in the process of constructing a two story home without a basement. According to the blueprint, the only exit doors to the outside are in the living room. Where do smoke detectors NOT have to be installed according to code?
The kitchen.
Two bedrooms are to be added to an existing residence. A permit is required and an interior wall is to be removed. What would be the requirements for smoke alarms?
The smoke alarms must be interconnected.
In reference to smoke alarms, if a home is required to have 8 alarm units, how many must be interconnected?
8
In a home without a basement, the only egress doors are in the living room. Where would smoke detectors NOT be required?
the kitchen.
Non-treated floor joists must be a minimum of ___________ inches from the exposed soil in a crawl space.
16 inches
Non-treated wood sills or bottom plates resting on concrete must be a minimum of ________ inches from exposed ground.
8 inches
Non-treated wood siding must be a minimum of ______ inches from the ground.
6 inches
Your company is constructing a deck for a customer. Pressure-treated wood is not available due to a shortage, so an alternative type of lumber must be used. What lumber will meet the Michigan Residential Code, requirements for durability and resistance to decay?
Redwood
According to Michigan Residential Code, finished grade must
drain water away from the house.
Per Table R 402.2, the minimum PSI of a concrete foundation is
2500 psi
According to Table 402.2 in the Michigan Residential Code, what is the minimum compressive strength of concrete for foundations not exposed to weather?
2500 psi
All exterior footings and foundation systems shall extend ______ below actual grade.
42 inches
What is the normal depth for a footing below grade?
42 inches
Maximum spacing of foundation anchor bolts is
6 feet
Anchor bolts at the corner of foundations shall be located within ______ inches of the corner.
12 inches
Anchor bolts in the core of masonry or concrete shall be at least _____ inches in diameter and extend a minimum of _______ inches into the foundation system.
1/2, 7
Anchor bolts are to be used in a poured concrete foundation wall. How deep do the anchor bolts have to be embedded?
7 inches
Concrete foundations without brick ledges for masonry veneer must extend a minimum of _____ inches above finished grade.
6 inches
Concrete foundations with brick ledges for masonry veneer must extend a minimum of _____ inches above finished grade
4 inches
As related to foundation drainage, gravel drains must extend outward from the footing a minimum of ______ inches.
12 inches
As related to foundation drainage, gravel drains must extend upward from the bottom of a footing a minimum of _______ inches.
6 inches
What type of material should be used around drain tiles when building the foundation?
Gravel
According to code, gravel foundation systems shall extend a minimum of
12” beyond the outside edge of the footing.
For wood foundations a 6-mil polyethylene film used as a below grade moisture barrier applied over the below grade portion of the exterior foundation wall must be lapped a minimum of ____ inches and sealed.
6 inches
The minimum crawl space ventilation required is 1 square foot per each ______ square feet of under floor space without a vapor barrier.
150
A ventilating opening within a crawl space shall be located within __________ of each corner of a building.
3 feet
An access opening to a crawl space through a perimeter wall shall be a minimum size of
16” x 24”
Floor joists under bearing partitions shall be blocked a minimum of _____ inches on center.
48 inches
Joists framing from opposite sides over a bearing support shall lap a minimum of _____ inches.
3 inches
The ends of each joist shall have not less than ______ of bearing on wood or metal.
1.5 inches
The ends of each joist shall have not less than _____ inches of bearing on masonry or concrete
3 inches
The depth of notches in solid lumber joists shall not exceed _________ of the depth member.
one sixth
Holes shall not be drilled closer than _______ inches to the top or bottom of a joist.
2 inches
According to the Michigan Residential Code, joists and rafters may not be notched in the middle
1/3 of the span
According to code, wood beams, rafters, and joists may NOT be notched in the middle
1/3
Truss design drawings shall be provided to the ______________ and approved prior to installation.
Building official
Truss design drawings shall include:
Span, spacing, and loads
An approved vapor retarder shall be placed between the base course and a concrete slab of which of the following:
Basement floor
When nailing 1/2” O.S.B. board to floor joists, what is the minimum nail size?
6D common
When nailing 1/2” O.S.B. board to a floor joist system, what is the maximum spacing of nails along the joists?
12 inches
When fastening 1/2” plywood to floor joists using 6 common nails, what is the maximum spacing for edge nailing according to the table in the Michigan Residential Code, book?
6
When the entire side of the wall that is notched or cut is covered with ________, a mending plate is not required.
1/2” structural plywood
A drilled hole cannot be closer than ____ to the edge of a stud in an exterior wall or partition
5/8 inch
Wall studs are 16” on center and no adhesive is used. Nail spacing for 1/2” drywall is
8” on center
Wall studs are 16” on center and no adhesive is used. Spacing for screws for 1/2” drywall is (Drywall either direction)
16” on center
Minimum penetration for drywall screws should be_______ into wood.
5/8 inch
Face brick metal wall ties attached to wood framing shall be not less than number ________ U.S. gage by 7/8 inch corrugated.
22 gauge
The minimum air space between the face brick & the sheathing is
1 inch
The maximum air space between the face brick & the sheathing is
4 1/2 inches
Masonry flashing shall be located ______________________.
below the first course above grade
Weep holes shall not be less than _________ inch in diameter.
3/16
Weep holes shall be located immediately _____________ the flashing.
above
For roof ventilation, if there is a vapor barrier the net free cross ventilation is reduced to 1 square foot to ________.
300
You are responsible for determining the ventilation requirements for a home under construction. If the home has a gable roof and vapor barrier, what is the minimum ratio of vent area to total attic space area?
1:300
A 3,000 square foot roof requires 10 square feet of ventilation. The ventilation will be divided equally between ridge and soffit vent. How many square feet of soffit vent will need to be purchased?
5
Pick the best solution from the list of possible choices. What should be done to unheated attic space?
Be vented to minimize condensation.
The minimum number of fasteners per strip shingle is __________.
4
When roofing, what is the proper way to fasten 3-in-1 asphalt strip shingles?
4 nails, one at each end and one in each cutout.
When required, ice barriers shall extend from the eave’s edge to a point at least _______ inside the exterior wall line of the building.
24 inches
Open valleys may be lined with metal at least ______ inches wide.
24 inches
Wood shakes shall not be installed on slopes less than __________.
3/12
Per R907.3 , the maximum layers of shingles allowed is ____________.
2
According to code, asphalt shingles may be applied over an existing roof which has
1 layer of asphalt shingles.
Fireplace dampers shall be located not less ______ inches above the top of the fireplace opening.
8
Minimum clearance for interior combustible framing next to a fireplace chimney is _________.
2
Used to divert storm water around a chimney greater than 30 inches wide when the chimney is located at the eave or mid span of the roof
Cricket/saddle
Chimneys shall extend at least _________ higher than any portion of a building within 10 feet.
2 feet
Any portion of an interior masonry chimney shall have a minimum air space clearance to wooden beams or joists of
2 inches
According to code, the minimum required clearance between wood framing and an interior chimney when the within the exterior wall is:
2 inches
If the depth of water contained is over __________, then it is considered a swimming/wading pool.
42 inches
A pool shall be provided by a barrier at least _______ inches high.
48 inches
Openings in the fence barrier around a pool shall not allow passage of a ________ diameter sphere.
4 inches
Around a pool, the maximum size of a chain link fence mesh opening by itself shall not exceed ___________.
2.25 inches
Access gates to pool areas must be self closing and ___________.
self latching
According to the Michigan Residential Code, what is the minimum height for fences surrounding a pool?
4 feet
According to the Michigan Residential Code, openings in a pool enclosure fence shall prohibit passage of a sphere what diameter or greater?
4 inches
Best describes the weight of the building materials once constructed.
dead load
Best describes building materials to resist the free passage of flames to other areas of a building through concealed spaces.
Fire blocking
Best describes a space in a building for living, sleeping, eating or cooking.
Habitable space
Best describes loads produced by the use and occupancy of a building.
Live load
For zone 5A, the insulation requirement for roof/ceiling area (attic) are:
R-38
For zone 5A, the insulation requirement for a floor over an unheated crawl space is __________.
R-30
